Imagine this scenario: wicked Dexter.of Dexter's laboratory spends years perfecting a mind control device.
He and his best friend approach his sister and try to get her to take off her top. "It's got to be something she would never do even as a joke"
In the process, Dexter becomes hypnotized.
Best friend wasn't using the device. The big sister quickly finds out from him that Decters experiment has gone horribly wrong. For him)
First, she gives him suggestions to humiliate himself but also to do her chores ad homework. When it starts to wear off, the sister uses the device on him
Leaving her hypnotized for 4 hours.